I am able to repeat this on PS as well, hence adding PS. (from #1 it looked like a larger bug) (Note: galera_stress.* is not galera specific, just that they contain subselects which trigger this). perl runall-new.pl --basedir=/usr --vardir=/tmp/tmp.lHuvJw1ODo --grammar=conf/galera/galera_stress.yy --gendata=conf/galera/galera_stress.zz --threads=16 --queries=10000 --seed=time # 2013-08-08T05:27:16 [57301] Using Log::Log4perl # 2013-08-08T05:27:16 [57301] Copyright (c) 2010,2011 Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. # 2013-08-08T05:27:16 [57301] Please see http://forge.mysql.com/wiki/Category:RandomQueryGenerator for more information on this test framework. # 2013-08-08T05:27:16 [57301] Starting # 2013-08-08T05:27:16 [57301] # runall-new.pl \ # 2013-08-08T05:27:16 [57301] # --basedir=/usr \ # 2013-08-08T05:27:16 [57301] # --vardir=/tmp/tmp.lHuvJw1ODo \ # 2013-08-08T05:27:16 [57301] # --grammar=conf/galera/galera_stress.yy \ # 2013-08-08T05:27:16 [57301] # --gendata=conf/galera/galera_stress.zz \ # 2013-08-08T05:27:16 [57301] # --threads=16 \ # 2013-08-08T05:27:16 [57301] # --queries=10000 \ # 2013-08-08T05:27:16 [57301] # --seed=time # 2013-08-08T05:27:16 [57301] master_port : 19300 slave_port : 19302 ports : 19300 19302 MTR_BUILD_THREAD : 930 # 2013-08-08T05:27:16 [57301] /media/Tintin/Work/code/randgen/pxc Revno: 867 # 2013-08-08T05:27:16 [57301] /media/Tintin/Work/code/randgen/pxc Revision-Id: